3 × 7² × 1489

Prime Factor Structure

Factorization String 3 × 7^2 × 1489

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 339,720

Proper Divisor Sum 120,837

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #218873 ← → #218887

1 3 7 21 49 147 1,489 4,467 10,423 31,269 72,961 218,883

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

218,883 656,650 328,325 984,976 492,488 246,244 123,122 61,561 184,684 92,342 46,171 138,514 69,257 207,772 103,886 51,943 155,830 77,915 233,746 116,873 350,620 175,310 87,655 262,966 131,483 394,450 197,225 591,676 295,838 147,919 443,758 221,879 665,638 332,819 998,458 499,229 1,497,688 748,844 374,422 187,211 561,634 280,817 842,452 421,226 210,613 631,840 315,920 157,960 78,980 39,490 19,745 59,236 29,618 14,809 44,428 22,214 11,107 33,322 16,661 49,984

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.